Overview

overview

10

Static

static

c321f12d46...71.exe

windows7-x64

10

c321f12d46...71.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971

  • Size

    170KB

  • Sample

    221203-gc66cshg27

  • MD5

    d5850e323653c6c6704df49be7df3fad

  • SHA1

    611f51cbb7417c6f9f9769b8a6dea2639251321a

  • SHA256

    c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971

  • SHA512

    e1ceefa5e60271415c5c47645ea69cb13bce810f3319a4478d1d862bcb2ca367b10e2a7a8315d5f925598d93bb902e6ae5b85e0c9ac3558f2a7e4a9666034830

  • SSDEEP

    3072:Sz5iXfPGUYdmRaUS5+5lcXWiZX3AUPJS/JaGe5jaSshD9SyG9:SNQf+UYmRaUS5oOXwUPAJaGhphDxG9

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971

    • Size

      170KB

    • MD5

      d5850e323653c6c6704df49be7df3fad

    • SHA1

      611f51cbb7417c6f9f9769b8a6dea2639251321a

    • SHA256

      c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971

    • SHA512

      e1ceefa5e60271415c5c47645ea69cb13bce810f3319a4478d1d862bcb2ca367b10e2a7a8315d5f925598d93bb902e6ae5b85e0c9ac3558f2a7e4a9666034830

    • SSDEEP

      3072:Sz5iXfPGUYdmRaUS5+5lcXWiZX3AUPJS/JaGe5jaSshD9SyG9:SNQf+UYmRaUS5oOXwUPAJaGhphDxG9

    Score
    10/10
    metasploitbackdoorevasionpersistencetrojanupx

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

      trojanbackdoormetasploit

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks